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Aparato respiratorio

El aparato respiratorio o sistema respiratorio, es el conjunto de órganos que poseen los seres vivos con la finalidad de intercambiar gases con el medio ambiente. El órgano principal del aparato respiratorio humano y de los mamíferos es el pulmón.
biología 2º - Bachillerato biologia humana sistema respiratorio humano Recommended age: 16 years old
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